Original subtitles

Hello there

In this video silver how to use our position in point passes to light a 3D c

Let's get started

Just a copy of our ft Ed Sheeran Decameron just going to do this after the size we can

Market quarter by everything else going

So the real like no go ahead and make one really

So the real light node has four inputs it looks like it only has to you but that's because you need to connect to these

The other two

So what we might know does

Is it will take be normal past for Miranda

And the position pass for under

And it will take a series of 3D lights in 8

We like yours

What's take a look at this type of Colour in here

Put normal pass

Along with our

Head and make a position of points just so we can see this

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B more clearly

You'll know how to use the usual put in

RPM

Right Surveyors or position pass

Head and make a 3D light I'm gonna make a point

Write in

Get into the middle

Michelin

15

Nicely

Let's go to the light mode and connector set

So that's what goes straight to Blue

That's because we need a couple more inputs here's that secret input that I talked about that would show

Go ahead and type that into a scene camera

And then finally this is looking for a

What's just use a

Please material that's a shame

If you work in

3D you can see all the lights

Was going to use a straightforward diffuse shader right now

Alright now you can see this point

Is actually trying to Relight our scene

Go ahead and move this around

In 3D space

And it's going to attempt

To illuminate our scene

And so this light off the bed is not very realistic

For a few reasons the first is

H

Is not correct real lights have an exponential fall off

So why use quadratic

Your secrets really dark so we need for intensity

Quite a bit and now we can tell very obviously we are the source of our like was previously

You couldn't really tell us where the sun

What's the first step to getting their stuff

A little bit more

And now you can see we just have this edition

White passing

Is scooter tour round a bit

And the simplest way of using this is all just

Is you put that point like then you can just go ahead

What's this over

You're free

And now you've added another

We can go ahead and move our lives around the sake of Cena and you can see it's just rewilding different parts of our

Also this can come in handy

But you do need to be aware of some of this one occasions because

The biggest issue with the real right now

Is that

It's not casting

Any sure

It's just looking at the relative position pass in normal pass to the side

What should be

Fire lighter

And so that's a pretty big issue

And it's going to start looking really funny really quick because nothing is sure

We look here in this is a little funny looking because of that lack of shade

That's definitely something you need to eat or wear when you're using this

Relate no

And the other bit

Is it going to snow

Check this out here

Circling behind objects and looking at the alpha's

List some weird issues going on

Because if we book another original here this is spartan motion work

Confuse be normal pass

My position

Pass a bit

And so when that happens want to try to do

Is extend the edges of Oran

How to make a colourless mirror in a

And it has a note for doing that it's called Edge

Click and drop the sound down here

Make sure

All channels for the sake of this

Detailing here

This will go ahead and just kind of x 10

Out

H

Colours

Beds

Turn off three months fly we can see this

The distance from Chatham

Pirate Bay

I must go ahead and take a look

Astilla

White working here

Turn off

Infinity

So we can go ahead and then mask that

By our original

And now it's going to fix

Edgy

Fanon

You can see

Different Slayer

Help you when it comes to these Edge issues that are being really weird

But the bigger

Issue with this really is that is not casting Shadows

There is no interest

Mination that's happening it's just a primary raised so

Flight mode really should be used as a utility

And last Resort

You can get away with some wedding and you're seeing things like Sparks you can use it to create

Selective mass

If you'd like

Portions of your

Go ahead and change

Colour here

Rossi that are light

Just

Appropriately

So you can use it in small doses and it will end up being ok

As you can see here this light that is clearly right on top

Where is lighting underneath

Naturally doesn't me

Tennis stamp

You could always mask it off to the upper portion of

And it's just another day this would be very helpful

Last week that we complete it then we can

And the top right that was feeling

Takeaway is that a real right now it should be you

As

Utility not a broad scale

Read light

Because you're only going to

Issues

And there's a few different types of lights that you can use with this a spot

Let's go ahead and just

Copy the position

Point light here to a spotlight

Go-Ahead scooter

Overstone maybe what's the simply space it is all

Now

Outstanding

4 spotlight is looking back currently

Make it sore spot

Nissan X -90 degrees

That should be looking straight down if you

Can Siri have a look

I'm talking in again it can be helpful

We can soften

If you need to

Surround and light effect

We can also add different shades to the stairs specular shader

We can add

No tried it out I will be love scene

To our material if we go ahead and don't look straight down you can see that

Shine coming through

And you can use

Basic material which is a combination of

Approximation

Of white the reaction would be

If you have a texture object you could type in this maths

It doesn't work because we don't have

You could get that anyways this is more so from when you're at texting real 3D

So you can only roughly approximate

The colour of what you

Material is here

And so like I said I use this mostly as a utility pass

In order to isolate certain element

It's good to know that it exists and you can use this if you

What's go ahead and look into actually using this as a mask to help us out with our reflections in our next video